id,summary,status,owner,type,priority,component
703,all binaries built by ghc have executable stacks,new,,merge,normal,Compiler (NCG)
2595,Implement record update for existential and GADT data types,new,,feature request,normal,Compiler
4139,Spurious non-exhaustive pattern match warnings are given using GADTs,new,,bug,normal,Compiler
5051,Typechecker behaviour change,new,,bug,high,Compiler
5610,"Improve ""Unacceptable argument type in foreign declaration"" error message",new,,feature request,high,Compiler (Type checker)
344,arrow notation: incorrect scope of existential dictionaries,new,ross,bug,lowest,Compiler (Type checker)
602,Warning Suppression,new,,task,lowest,Compiler
609,Useful optimisation for set-cost-centre,new,simonmar,task,normal,Profiling
849,Offer control over branch prediction,new,,feature request,normal,Compiler
888,Implement the static argument transformation,new,,task,normal,Compiler
1012,ghc panic with mutually recursive modules and template haskell,new,,bug,lowest,Template Haskell
1016,Avoidance of unaligned loads is overly conservative,new,,task,lowest,Compiler
1216,Missed opportunity for let-no-esape,new,simonpj,bug,normal,Compiler
1330,Impredicativity bug: Church2 test gives a rather confusing error with the HEAD,new,simonpj,bug,lowest,Compiler (Type checker)
1349,"Generalise the ! and UNPACK mechanism for data types, to unpack function arguments",new,,task,normal,Compiler
1365,-fbyte-code is ignored in a OPTIONS_GHC pragma,new,,feature request,lowest,GHCi
1377,GHCi debugger tasks,new,mnislaih,task,lowest,GHCi
1379,Allow breakpoints and single-stepping for functions defined interactively,new,,feature request,lowest,GHCi
1420,Automatic heap profile intervals,new,,feature request,lowest,Profiling
1466,Stack check for AP_STACK,new,simonmar,bug,normal,Compiler
1487,unix package: test needed for getLoginName,new,adrien,bug,lowest,libraries/unix
1496,Newtypes and type families combine to produce inconsistent FC(X) axiom sets,new,simonpj,bug,normal,Compiler (Type checker)
1498,Optimisation: eliminate unnecessary heap check in recursive function,new,,bug,low,Compiler
1534,"[Debugger] Watch on accesses of ""variables""",new,,feature request,lowest,GHCi
1544,Derived Read instances for recursive datatypes with infix constructors are too inefficient,new,,bug,normal,Compiler
1572,Make it easy to find documentation for GHC and installed packages,new,,task,lowest,Compiler
1574,Broken link testing,new,,feature request,lowest,Documentation
1600,Optimisation: CPR the results of IO,new,,task,lowest,Compiler
1612,GHC_PACKAGE_PATH and $topdir bug,new,--,bug,lowest,Package system
1631,Make the External Package Table contain ModDetails not ModIface,new,,task,lowest,Compiler
1693,Make distclean (still) doesn't,new,igloo,bug,lowest,Build System
1721,Make GHCi print the entire result of an interactive 'bind' statement,new,,feature request,lowest,Compiler
1727,Precedence and associativity rules ignored when mixing infix type and data constructors in a single expression,new,,bug,lowest,Compiler (Parser)
1820,Windows segfault-catching only works for the main thread,new,,bug,lowest,Runtime System
1853,hpc mix files for Main modules overwrite each other,new,AndyGill,bug,lowest,Code Coverage
1880,Unify flag descriptions to generate both docs and code,new,,task,lowest,Compiler
1883,"GHC can't find library using ""short"" name",new,,bug,lowest,Compiler
1885,Improve CPR analysis,new,simonpj,feature request,lowest,Compiler
1894,Add a total order on type constructors,new,,feature request,lowest,Compiler (Type checker)
1965,Allow unconstrained existential contexts in newtypes,new,,feature request,normal,Compiler
2028,STM slightly conservative on write-only transactions,new,,bug,lowest,Compiler
2064,problems with duplicate modules,new,--,bug,lowest,Package system
2075,hpc should render information about the run in its html markup,new,andy@galois.com,feature request,lowest,Code Coverage
2104,Add Labels,new,,feature request,lowest,Compiler
2110,Rules to eliminate casted id's,new,,feature request,lowest,Compiler
2119,explicitly importing deprecated symbols should elicit the deprecation warning,new,,feature request,lowest,Compiler
2123,implement waitForProcess using signals,new,,task,lowest,libraries/process
2135,Warn if functions are exported whose types cannot be written,new,,feature request,lowest,Compiler
2140,cpuTimePrecision is wrong for me on Windows (XP),new,,bug,lowest,libraries/base
2147,unhelpful error message for a misplaced DEPRECATED pragma,new,,bug,lowest,Compiler
2159,Use a more efficient representation than [DynFlag],new,,bug,lowest,Compiler
2161,finaliser of a ForeignPtr called while references from unreachable threads exist,new,,bug,low,Runtime System
2168,ghci should show haddock comments for identifier,new,,feature request,lowest,GHCi
2184,"if findExecutable finds a file that matchs the argument, check if it is an executable",new,,bug,lowest,libraries/directory
2189,hSetBuffering stdin NoBuffering doesn't work on Windows,new,,bug,normal,libraries/base
2215,:disable command to disable breakpoints,new,,feature request,lowest,GHCi
2224,-fhpc inteferes/prevents rewrite rules from firing,new,andy@galois.com,bug,lowest,Code Coverage
2256,Incompleteness of type inference: must quantify over implication constraints,new,simonpj,bug,lowest,Compiler
2258,ghc --cleanup,new,,feature request,lowest,Compiler
2260,Non-ideal error message for misplaced LANGUAGE pragma,new,,bug,lowest,Compiler (Parser)
2269,Word type to Double or Float conversions are slower than Int conversions,new,dons@galois.com,feature request,lowest,Compiler
2273,inlining defeats seq,new,,bug,lowest,Compiler
2289,Needless reboxing of values when returning from a tight loop,new,,bug,lowest,Compiler
2301,Proper handling of SIGINT/SIGQUIT,new,,bug,normal,libraries/process
2333,Emit a warning if an INLINE function is a loop breaker,new,,feature request,lowest,Compiler
2340,Improve Template Haskell error recovery,new,--,feature request,lowest,Template Haskell
2345,":browse limitations (browsing virtual namespaces, listing namespaces)",new,,feature request,lowest,GHCi
2346,Compilation of large source files requires a lot of RAM,new,,bug,lowest,Compiler
2365,Warn about suspicious flags in OPTIONS_GHC pragmas,new,,feature request,lowest,Compiler
2370,num009 fails on OS X 10.5?,new,,bug,lowest,Compiler
2374,MutableByteArray# is slower than Addr#,new,,bug,lowest,Compiler (NCG)
2387,Optimizer misses unboxing opportunity,new,,bug,lowest,Compiler
2401,aborting an STM transaction should throw an exception,new,--,bug,low,Runtime System
2437,More accurate package dependencies,new,--,task,lowest,Package system
2439,Missed optimisation with dictionaries and loops,new,simonpj,bug,lowest,Compiler
2450,"Data.Complex.magnitude squares using ^(2 :: Int), which is slow",new,,bug,lowest,libraries/base
2459,"can't link haskell without ""main"" function, or -no-hs-main broken on windows?",new,,bug,lowest,Driver
2460,provide -mwindows option like gcc,new,,feature request,lowest,Compiler
2514,Add/Expose Binary API that allows dumping of any GHC Binary instance,new,nominolo,feature request,lowest,GHC API
2522,Warning for missing export lists,new,,feature request,lowest,Compiler
2526,warn about missing signatures only for exported functions,new,,feature request,lowest,Compiler
2530,deriving Show adds extra parens for constructor with record syntax,new,,bug,lowest,Compiler
2531,Prune duplicates in ghci history,new,,feature request,lowest,GHCi
2550,Add an option to read file names from a file instead of the command line,new,,feature request,lowest,Compiler
2598,Avoid excessive specialisation in SpecConstr,new,,feature request,lowest,Compiler
2600,Bind type variables in RULES,new,simonpj,feature request,lowest,Compiler
2614,"Enumeration of values for `Sys.Info.os`, `Sys.Info.arch`",new,mjg,feature request,low,libraries/base
2640,Treat -X flags consistently in GHCi,new,,feature request,lowest,Compiler
2641,Revise the rules for -XExtendedDeafultRules,new,,feature request,lowest,Compiler
2642,Improve SpecConstr for join points,new,,bug,lowest,Compiler
2648,Report out of date interface files robustly,new,,feature request,lowest,GHCi
2710,-main-is flag in {-# OPTIONS #-} pragma not fully supported,new,,bug,lowest,Compiler
2721,Newtype deriving doesn't work with type families,new,,feature request,lowest,Compiler
2731,Avoid unnecessary evaluation when unpacking constructors,new,,bug,lowest,Compiler
2737,add :tracelocal to ghci debugger to trace only the expressions in a given function,new,,feature request,lowest,GHCi
2776,Document -pgmL (Use cmd as the literate pre-processor),new,,bug,lowest,Documentation
2803,bring full top level of a module in scope when a breakpoint is hit in the module,new,,feature request,lowest,GHCi
2805,Test ffi009(ghci) fails on PPC Mac OS X,new,,bug,lowest,GHCi
2823,Another arity expansion bug,new,,bug,lowest,Compiler
2836,Data.Typeable does not use qualified names,new,,feature request,lowest,Compiler
2840,Top level string literals,new,,bug,lowest,Compiler
2867,"Make a way to tell GHC that a pragma name should be ""recognised""",new,,bug,lowest,Compiler
2915,Arity is smaller than need be,new,simonpj,bug,lowest,Compiler
2933,LDFLAGS ignored by build system,new,,bug,lowest,Build System
2940,Do CSE after CorePrep,new,simonpj,bug,lowest,Compiler
2945,add command :mergetrace,new,,feature request,lowest,GHCi
2946,tracing should be controled by a global flag,new,,feature request,lowest,GHCi
2950,show breakpoint numbers of breakpoints which were ignored during :force,new,,feature request,lowest,GHCi
2968,add test for C trigraphs,new,kchugalinskiy,task,lowest,Compiler
2986,:info printing instances often isn't wanted,new,Remi,feature request,lowest,GHCi
2988,Improve float-in,new,,bug,lowest,Compiler
2991,.mix files generation broken with -fhpc and --make flags with lhs modules,new,andy@galois.com,bug,lowest,Code Coverage
3000,:break command should recognize also nonexported top level symbols in qualified IDs,new,,feature request,lowest,GHCi
3003,Happy does not reject pragmas,new,,bug,lowest,Build System
3032,would be nice if -fno-code and --make worked together,new,,feature request,lowest,Compiler
3034,divInt# floated into a position which leads to low arity,new,,bug,lowest,Compiler
3052,ghc FFI doesn't support thiscall,new,,feature request,low,Compiler (FFI)
3055,Int / Word / IntN / WordN are unequally optimized,new,,bug,lowest,Compiler
3061,GHC's GC default heap growth strategy is not as good as other runtimes,new,,bug,lowest,Runtime System
3065,Reorder tests in quot to improve code,new,,bug,lowest,libraries/base
3070,floor(0/0) should not be defined,new,squadette,bug,lowest,Prelude
3073,Avoid reconstructing dictionaries in recursive instance methods,new,,bug,lowest,Compiler
3085,warn about language extensions that are not used,new,,feature request,normal,Compiler
3107,Over-eager GC when blocked on a signal in the non-threaded runtime,new,,bug,lowest,Runtime System
3122,Enhance --info,new,duncan,feature request,lowest,Compiler
3123,make INLINE work for recursive definitions (generalized loop peeling/loop unrolling),new,,feature request,lowest,Compiler
3138,Returning a known constructor: GHC generates terrible code for cmonad,new,,bug,lowest,Compiler
3140,(Windows?) GHCi doesn't load hierachical modules,new,,feature request,lowest,GHCi
3184,"package.conf should be under /var, not /usr",new,--,bug,low,Package system
3191,hpc reports spurious results with .lhs files even after processing with ghc -E,new,andy@galois.com,bug,lowest,Code Coverage
3192,Add dynCompileCoreExpr :: GhcMonad m => Bool -> Expr CoreBind -> m Dynamic to ghc-api,new,,feature request,lowest,GHC API
3217,Make GHCi have separate flags for interactive Haskell expressions,new,,feature request,normal,Compiler
3231,Permission denied error with runProcess/openFile,new,simonmar,bug,normal,libraries/base
3238,CInt FFI exports do not use C int in _stub.h header file,new,,bug,lowest,Compiler (FFI)
3242,ghci: can't load .so/.DLL for: m (addDLL: could not load DLL),new,,bug,normal,GHCi
3251,split rts headers into public and private,new,,feature request,lowest,Runtime System
3282,How to start an emacs editor within ghci asynchronously with :edit filename.hs      :set editor emacs &   don't go,new,,feature request,lowest,GHCi
3314,Add compilation date to +RTS --info,new,,feature request,lowest,Compiler
3321,-fhpc assumes original sources relative to the current directory,new,,bug,lowest,Compiler
3333,GHCi doesn't load weak symbols,new,,bug,normal,GHCi
3351,Generated ghc man page missing xrefs,new,,bug,lowest,Documentation
3355,Refactor Template Haskell syntax conversions,new,,task,lowest,Compiler
3372,Allow for multiple linker instances,new,,feature request,low,Compiler
3373,GHC API is not thread safe,new,,feature request,low,GHC API
3376,hpc and CPP don't mix on Windows,new,andy@galois.com,bug,lowest,Code Coverage
3379,GHC should use the standard binary package,new,,task,normal,Compiler
3427,control what sort of entity a deprecated pragma applies to,new,,bug,low,Compiler
3452,Show type of most recent expression in GHCi,new,,feature request,lowest,GHCi
3458,Allocation where none should happen,new,,bug,lowest,Compiler
3462,New codegen: allocate large objects using allocateLocal(),new,,task,low,Compiler
3464,Find import declaration importing a certain function,new,,feature request,low,GHCi
3470,OSX installer should give an informative error message when XCode is missing,new,,bug,lowest,Build System
3483,"Some mechanism for eliminating ""absurd"" patterns",new,,feature request,low,Compiler
3509,libffi.so not found on Mac OS X (10.5.8),new,,bug,lowest,Build System
3517,GHC has lots of extra hidden IOErrorType values,new,,bug,low,libraries/base
3533,mac installer package deletes old version of ghc,new,,bug,lowest,Compiler
3543,-fext-core doesn't force recompilation when .hcr file doesn't exist,new,,bug,lowest,Driver
3547,Improve granularity of UndecidableInstances,new,,feature request,low,Compiler
3559,split ghci modules off into their own package,new,,task,low,GHCi
3571,Bizzarely bloated binaries,new,,bug,lowest,Compiler
3588,ghc -M should emit dependencies on CPP headers,new,,bug,low,Compiler
3606,The Ord instance for unboxed arrays is very inefficient,new,,bug,lowest,libraries (other)
3619,allow to set ghc search path globally (a'la CPATH),new,,feature request,low,Compiler
3625,GHCI doesn't work with dtrace on OS X,new,,bug,low,GHCi
3632,"lift restrictions on records with existential fields, especially in the presence of class constraints",new,,feature request,low,Compiler
3645,Layout and pragmas,new,,feature request,low,Compiler (Parser)
3646,Enforce requirement that our repos contains a subset of upstream's patches,new,,task,lowest,Compiler
3649,inconsistent exception between unix/windows for running non-existant program,new,,bug,low,libraries/process
3654,Mach-O GHCi linker lacks support for a range of relocation entries,new,,bug,normal,Runtime System
3693,Show stack traces,new,,feature request,normal,Runtime System
3697,Method selectors aren't floated out of loops,new,,bug,low,Compiler
3698,Bad code generated for zip/filter/filter loop,new,,bug,low,Compiler
3699,Wildcards in type functions,new,,feature request,low,Compiler
3701,allow existential wrapper newtypes,new,,feature request,low,Compiler
3704,Using -shared without -dynamic should be rejected on linux,new,,bug,low,Compiler
3711,Bad error reporting when calling a function in a module which depends on a DLL on Windows,new,--,bug,lowest,Runtime System
3712,Implement -dynamic-lib option,new,,task,low,Compiler
3713,Track -dynamic/-fPIC to avoid obscure linker errors,new,,task,low,Compiler
3722,Haskeline Iconv needs HAVE_LANGINFO_H,new,--,bug,low,libraries (other)
3725,Annotations not written to interface files,new,,bug,lowest,Compiler
3739,ghc-cabal mishandles relative paths in arguments,new,,bug,low,Build System
3744,Comparisons against minBound/maxBound not optimised,new,,bug,low,Compiler
3753,Make ghci's -l option consistent with GNU ld's -l option,new,,feature request,low,GHCi
3755,Improve join point inlining,new,,task,low,Compiler
3766,Parsing of lambdas is not consistent with Haskell'98 report.,new,,bug,low,Compiler (Parser)
3767,SpecConstr for join points,new,,bug,low,Compiler
3771,haddock: internal error: evacuate: strange closure type 19269,new,,bug,lowest,Compiler
3781,Improve inlining for local functions,new,,bug,lowest,Compiler
3782,"Data Parallel ""Impossible happened"" compiler error",new,benl,bug,low,Data Parallel Haskell
3786,showing function arguments when stopped at its definition,new,,feature request,low,GHCi
3844,Undeprecate #include (in at least some circumstances),new,,bug,low,Compiler (FFI)
3859,Problems with toClockTime on NetBSD,new,,bug,lowest,Compiler
3869,RTS GC Statistics from -S should be logged via the eventlog system,new,,feature request,low,Runtime System
3870,Avoid Haddock-links to the Prelude,new,,feature request,lowest,Documentation
3881,"section parse errors, e.g. ( let x=1 in x + )",new,,bug,low,Compiler (Parser)
3895,"""Fix"" pervasive-but-unnecessary signedness in GHC.Prim",new,,feature request,low,Compiler
3903,"DPH bad sliceP causes RTS panic ""allocGroup: requested zero blocks""",new,benl,bug,low,Data Parallel Haskell
3915,GHC panic; possibly related to mutually recursive modules,new,,bug,lowest,Compiler
3924,Strictness analyser missing useful strictness,new,,bug,low,Compiler
3937,Cannot killThread in listen/accept on Windows threaded runtime,new,,bug,low,Runtime System
3946,Better diagnostic when entering a GC'd CAF,new,,task,low,Runtime System
3960,ghc panic when attempting to compile DPH code,new,rl,bug,lowest,Data Parallel Haskell
3980,System.Posix.Signals should provide a way to set the SA_NOCLDWAIT flag,new,,feature request,low,libraries/unix
3984,Handle multiline input in GHCi history,new,,feature request,normal,GHCi
3990,UNPACK doesn't unbox data families,new,,bug,low,Compiler
3996,bug in GHC when compiling HOC (SVN revision 413),new,,bug,lowest,Compiler
4001,Implement an atomic readMVar,new,ezyang,task,low,Runtime System
4012,Compilation results are not deterministic,new,,bug,high,Compiler
4016,Strange display behaviour in GHCi,new,,feature request,low,Compiler
4017,Unhelpful error message in GHCi,new,,bug,lowest,Compiler
4019,deriving Ord can produce incorrect and inefficient instances,new,,bug,low,Compiler
4020,Please consider adding support for local type synonyms,new,,feature request,low,Compiler (Type checker)
4022,GHC Bindist is Broken on FreeBSD/amd64,new,pgj,bug,lowest,libraries (other)
4048,ghc-pkg should check for existence of extra-libraries,new,,bug,low,Package system
4049,Support for ABI versioning of C libraries,new,,bug,low,Build System
4052,Two sided sections,new,,feature request,low,Compiler
4081,Strict constructor fields inspected in loop,new,benl,bug,low,Compiler
4092,Floating point manipulation : ulp and coerce IEEE-754 Double# into Word64#,new,,feature request,normal,Compiler
4096,New primops for indexing: index*OffAddrUsing# etc,new,,feature request,low,Compiler
4101,Primitive constant unfolding,new,,bug,low,Compiler
4102,Bit manipulation built-ins,new,,feature request,normal,libraries/base
4105,ffi005 fails on OS X,new,,bug,low,Compiler
4114,Add a flag to remove/delete intermediate files generated by GHC,new,,feature request,low,Compiler
4121,Refactor the plumbing of CafInfo to make it more robust,new,,bug,low,Compiler
4124,GHC rejects instance quotations with splices in the instance head,new,,bug,low,Template Haskell
4128,Can't capture classes inside a template haskell type quotation,new,,feature request,low,Template Haskell
4135,Can't Quote Instance Associated Types in Template Haskell,new,,bug,low,Template Haskell
4140,dynHelloWorld(dyn) fails in an unreg build,new,,bug,low,Compiler
4150,CPP+QuasiQuotes confuses compilation errors' line numbers,new,,bug,low,Compiler (Parser)
4162,GHC API messes up signal handlers,new,,bug,low,GHC API
4170,"Invalid ""duplicate instance"" error",new,,bug,low,Template Haskell
4176,reject unary minus in infix left hand side function bindings that resolve differently as expressions,new,,bug,low,Compiler
4180,do not consider associativity for unary minus for fixity resolution,new,,feature request,low,Compiler (Parser)
4196,add more stolen syntax to the user guide,new,,task,low,Documentation
4210,LLVM: Dynamic Library Support,new,dterei,feature request,low,Compiler (LLVM)
4211,LLVM: Stack alignment on OSX,new,dterei,task,normal,Compiler (LLVM)
4213,LLVM: Add support for TNTC to LLVM compiler suite,new,dterei,feature request,low,Compiler (LLVM)
4215,canonicalizePath behaves strangely with paths that do not exist,new,,bug,low,libraries/directory
4218,System.Random is way too lazy,new,rrnewton,bug,low,Compiler
4222,Template Haskell lets you reify supposedly-abstract data types,new,,feature request,low,Compiler
4230,Template Haskell: less type checking in quotations?,new,,feature request,low,Compiler
4245,ghci panic: thread blocked indefinitely in an MVar operation,new,tibbe,bug,high,GHCi
4267,Strictness analyser is to conservative about passing a boxed parameter,new,,bug,low,Compiler
4268,Annotation extension needs a flag,new,,bug,normal,Compiler
4281,Make impredicativity work properly,new,simonpj,task,low,Compiler
4288,Poor -fspec-constr-count=n warning messages,new,,bug,low,Compiler
4295,Review higher-rank and impredicative types,new,simonpj,bug,normal,Compiler
4296,The dreaded SkolemOccurs problem,new,simonpj,bug,low,Compiler
4301,Optimisations give bad core for foldl' (flip seq) (),new,,bug,low,Compiler
4308,LLVM compiles Updates.cmm badly,new,,bug,low,Compiler (LLVM)
4316,"Interactive ""do"" notation in GHCi",new,,feature request,low,GHCi
4329,GHC.Conc modifyTVar primitive,new,,feature request,low,Compiler
4340,Add alignment to hsc2hs template,new,,feature request,low,Compiler (FFI)
4347,Bug in unification of polymorphic and not-yet-polymorphic type,new,,bug,normal,Compiler (Type checker)
4366,in-tree GMP build problem with shared libraries,new,,bug,low,Build System
4372,Extending quasiquotation support,new,,bug,normal,Template Haskell
4385,Type-level natural numbers,new,diatchki,feature request,normal,Compiler (Type checker)
4413,(^^) is not correct for Double and Float,new,tcsavage,bug,low,libraries/base
4426,Simplify the rules for implicit quantification,new,,feature request,low,Compiler
4428,Local functions lose their unfoldings,new,,bug,low,Compiler
4429,Ability to specify the namespace in mkName,new,reinerp,feature request,low,Template Haskell
4440,time004 fails depending on the date,new,,bug,low,Test Suite
4442,Add unaligned version of indexWordArray#,new,,feature request,low,libraries (other)
4451,Re-linking avoidance is too aggressive,new,simonmar,bug,normal,Compiler
4453,Allow specifying .hi files of imports on command line in batch mode,new,,feature request,low,Compiler
4459,Polymorphic Data.Dynamic,new,vivian,feature request,low,GHC API
4466,Add extension for type application,new,,feature request,low,Compiler
4470,Loop optimization: identical counters,new,,feature request,normal,Compiler
4471,Incorrect Unicode output on Windows Console,new,,bug,low,Compiler
4479,Add Type Directed Name Resolution,new,,feature request,low,Compiler (Type checker)
4505,Segmentation fault on long input (list of pairs),new,,bug,low,Compiler
4520,"startup code on Windows should use SetDllDirectory("""")",new,,feature request,low,Runtime System
4800,Memory Leak when Compiling qtHaskell,new,,bug,low,Compiler
4806,Make error message more user friendly when module is not found because package is unusable,new,,feature request,low,Compiler
4815,Instance constraints should be used when deriving on associated data types,new,,feature request,low,Compiler
4823,Loop strength reduction for array indexing,new,,feature request,low,Compiler
4824,Windows: Dynamic linking doesn't work out-of-the-box,new,,bug,low,Runtime System
4831,Too many specialisations in SpecConstr,new,rl,bug,low,Data Parallel Haskell
4833,Finding the right loop breaker,new,,bug,low,Compiler
4836,literate markdown not handled correctly by unlit,new,,bug,low,Compiler
4837,Template Haskell does not work in a profiled compiler.,new,,bug,low,Profiling
4846,Newtype derving used wrongly,new,,bug,low,Compiler
4861,Documentation for base does not include special items,new,,bug,low,libraries/base
4896,Deriving Data does not work for attached code,new,,bug,low,Compiler
4899,"Non-standard compile plus Template Haskell produces spurious ""unknown symbol"" linker error",new,simonmar,bug,low,Compiler
4900,DEPENDS pragma,new,,feature request,normal,Compiler
4913,Make event tracing conditional on an RTS flag only,new,,feature request,low,Runtime System
4921,report ambiguous type variables more consistently,new,,feature request,low,Compiler (Type checker)
4931,hsc2hs emits invalid OPTIONS_GHC pragmas,new,,bug,low,hsc2hs
4937,"Remove indirections caused by sum types, such as Maybe",new,,feature request,normal,Compiler
4938,Core2 CPU not detected correctly,new,,bug,low,Compiler
4942,GHC.ConsoleHandler does not call back application when Close button is pressed,new,,bug,low,GHC API
4955,increase error message detail for module lookups failure due to hi references,new,,bug,low,Compiler
4959,Warning about variables with leading underscore that are used anyway,new,,feature request,low,Compiler (Parser)
4960,Better inlining test in CoreUnfold,new,,bug,low,Compiler
4980,Warning about module abbreviation clashes,new,,feature request,low,Compiler
4985,Improve locations in ghci errors,new,,bug,low,Compiler
5013,sporadic failures during compilation under solaris,new,,bug,low,Compiler
5014,canonicalizePath throws exception on paths that do not exist,new,,bug,low,libraries/directory
5016,Make Template Haskell: -ddump-splices generate executable code,new,,feature request,low,Template Haskell
5059,Pragma to SPECIALISE on value arguments,new,,feature request,low,Compiler
5062,Patch: Debug output for OS X linker and coding standard upgrades,new,,bug,low,Runtime System
5063,unix package has untracked dependency on libbsd,new,,bug,low,libraries/unix
5073,Add blockST for nested ST scopes,new,,bug,low,Compiler
5075,CPR optimisation for sum types if only one constructor is used,new,simonpj,feature request,normal,Compiler
5108,Allow unicode sub/superscript symbols in both identifiers and operators,new,,feature request,normal,Compiler (Parser)
5140,Fix LLVM backend for PowerPC,new,erikd,task,low,Compiler (LLVM)
5142,stub header files don't work with the MS C compiler,new,simonmar,bug,low,Compiler
5143,Soft heap limit flag,new,simonmar,task,normal,Runtime System
5158,Update .git-ignore in all the repos,new,pcapriotti,task,low,Compiler
5171,Misfeature of Cmm optimiser: no way to extract a branch of expression into a separate statement,new,,feature request,low,Compiler
5188,Runtime error when allocating lots of memory,new,,bug,low,GHCi
5190,TinyCoreLinux extension,new,,bug,low,Build System
5197,Support static linker semantics for archives and weak symbols,new,,feature request,low,Runtime System
5202,Docs on strictness info out of date,new,,bug,low,Documentation
5209,^C doesn't correctly reset the prompt from within multiline commands in ghci,new,,bug,low,GHCi
5219,need a version of hs_init that returns an error code for command-line errors,new,,feature request,low,Runtime System
5224,Improve consistency checking for family instances,new,simonpj,bug,low,Compiler
5239,"Em-dash for ""--"" with UnicodeSyntax.",new,,feature request,normal,Compiler (Parser)
5248,Infer type context in a type signature,new,,feature request,low,Compiler (Type checker)
5251,copyFile does not copy metadata,new,,bug,low,libraries/directory
5262,Compiling with -O makes some expressions too lazy and causes space leaks,new,,bug,low,Compiler
5266,Licensing requirements and copyright notices,new,,feature request,low,None
5267,Missing type checks for arrow command combinators,new,ross,bug,low,Compiler (Type checker)
5273,error and undefined should print a location,new,,feature request,low,Compiler
5288,Less noisy version of -fwarn-name-shadowing,new,,feature request,low,Compiler
5289,Can't use ghci with a library linked against libstdc++,new,,bug,normal,GHCi
5291,GhcDynamic build fails on Windows: can't find DLLs,new,,bug,low,Build System
5292,libHSghc exports more symbols than Windows can handle,new,,bug,low,Compiler
5296,Add explicit type applications,new,,feature request,low,Compiler (Type checker)
5298,Inlined functions aren't fully specialised,new,,bug,low,Compiler
5302,Unused arguments in join points,new,simonpj,bug,low,Compiler
5305,crash after writing around 40 gigabytes to stdout,new,,bug,low,Compiler
5308,Generalize -msse2 command line flag to -msse<version number>,new,,feature request,low,Compiler
5320,check_overlap panic (7.1 regression),new,simonpj,bug,normal,Compiler
5326,Polymorphic instances aren't automatically specialised,new,simonpj,bug,low,Compiler
5333,Arrow command combinators and infixr cause the desugarer to fail,new,ross,bug,low,Compiler (Parser)
5355,Link plugins against existing libHSghc,new,,bug,normal,Compiler
5364,Access RTS flag values from inside Haskell programs,new,,feature request,normal,libraries/base
5369,Reinstate VECTORISE pragmas with expressions as right-hand sides,new,chak,bug,normal,Data Parallel Haskell
5376,Quotation in System.Process.system for Windows,new,,bug,low,libraries/process
5378,unreg compiler: warning: conflicting types for built-in function ‘memcpy’,new,,bug,low,Compiler
5387,ffi/should_run fptr02 fails on OS X amd64,new,,bug,low,Compiler
5388,ghcilink003 and ghcilink006 fail on OSX,new,,bug,low,Compiler
5392,Warnings about impossible MPTCs would be nice,new,,feature request,normal,Compiler
5401,LANGUAGE pragma parser nit,new,igloo,bug,normal,Compiler (Parser)
5412,dataTypeConstrs gives unhelpful error message,new,,bug,normal,libraries/base
5429,Docase notation as GHC extension,new,tomasp,feature request,normal,Compiler
5443,Errors when shutting down the event manager loop,new,tibbe,bug,normal,Compiler
5444,Slow 64-bit primops on 32 bit system,new,,bug,normal,Compiler
5462,Deriving clause for arbitrary classes,new,,feature request,normal,Compiler
5463,SPECIALISE pragmas generated from Template Haskell are ignored,new,,bug,normal,Template Haskell
5467,Template Haskell: support for Haddock comments,new,,feature request,normal,Template Haskell
5470,The DPH library needs to support PData and PRepr instances for more than 15-tuples,new,chak,bug,normal,Data Parallel Haskell
5495,simple program fails with -shared on mac,new,,bug,low,Compiler
5498,Generalized newtype deriving allows creating of instances I can't create by hand,new,,bug,normal,Compiler
5522,mc03 -O -fliberate-case -fspec-constr runs out of memory,new,simonpj,bug,normal,Compiler
5537,ghc doesn't find libffi.so.5 in testsuite,new,,bug,low,Test Suite
5539,GHC panic -  Simplifier ticks exhausted,new,simonpj,bug,high,Compiler
5542,"also parse class/instance declarations as ""HEAD <= CONTEXT where""",new,,feature request,normal,Compiler (Parser)
5556,Support pin-changing on ByteArray#s,new,,feature request,normal,Compiler
5567,LLVM: Improve alias analysis / performance,new,dterei,task,normal,Compiler (LLVM)
5578,write access permission of binary result different on OpenBSD,new,igloo,bug,low,Test Suite
5590,"""guarded instances"": instance selection can add extra parameters to the class",new,simonpj,feature request,normal,Compiler (Type checker)
5608,Fix T3807 for Mac OS X 10.5,new,,bug,low,Test Suite
5615,ghc produces poor code for `div` with constant powers of 2.,new,daniel.is.fischer,bug,normal,Compiler
5619,Shorter qualified import statements,new,,feature request,normal,Compiler
5620,Dynamic linking and threading does not work on Windows,new,igloo,bug,high,Runtime System
5630,External Core needs love,new,,bug,normal,Compiler
5641,The -L flag should not exist,new,,bug,normal,Profiling
5642,Deriving Generic of a big type takes a long time and lots of space,new,dimitris,bug,high,Compiler
5645,Sharing across functions causing space leak,new,,bug,normal,Compiler
5646,Initialise tuples using pragmas,new,chak,bug,normal,Data Parallel Haskell
5647,"CLI option to silence ""Loading package foo ... linking ... done"" output",new,,feature request,normal,Compiler
5654,Profiling semantics bug,new,simonmar,bug,low,Profiling
5666,Can't use writeFile to write unicode characters.,new,,bug,normal,libraries (other)
5672,parBufferWHNF could be less subtle,new,duncan,feature request,normal,libraries (other)
5682,Properly parse kind operators (from promoted type operators),new,dreixel,bug,low,Compiler
5687,Friendly Interface for auto-completion of GHCi,new,,feature request,normal,GHCi
5692,Source code with large floating constants in exponential notation cannot be compiled,new,pcapriotti,bug,normal,Compiler
5702,Can't vectorise pattern matching on numeric literals,new,chak,bug,normal,Data Parallel Haskell
5724,Confusing warning message for incomplete patterns,new,,bug,normal,Compiler
5757,zero unexpected failures on all tier 1 platforms,new,,task,highest,Test Suite
5761,Getting stdout and stderr as a single handle from createProcess does not work on Windows,new,,bug,normal,libraries/process
5763,Confusing error message,new,simonpj,bug,high,Compiler
5775,Inconsistency in demand analysis,new,,bug,normal,Compiler
5777,core lint error with arrow notation and GADTs,new,ross,bug,normal,Compiler
5786,Dynanmic way fails when GHC built with LLVM backend,new,dterei,bug,normal,Compiler (LLVM)
5791,"Defer other kinds of errors until runtime, not just type errors",new,,task,normal,Compiler
5807,DPH library functions don't work without -fvectorise.,new,benl,bug,normal,Data Parallel Haskell
5809,Arity analysis could be better,new,simonpj,bug,normal,Compiler
5813,Offer a compiler warning for failable pattern matches,new,,feature request,normal,Compiler
5821,SPECIALISE fails with a cryptic warning,new,,bug,normal,Compiler
5823,FFI and CAPI needs {-# INCLUDE #-} back?,new,,feature request,normal,Compiler
5827,/usr/local hard-coded in cabal,new,duncan,bug,normal,libraries (other)
5834,Allow both INLINE and INLINABLE for the same function,new,,feature request,normal,Compiler
5835,Make better use of known dictionaries,new,,feature request,normal,Compiler
5840,Extend the supported environment sizes of vectorised closures,new,chak,bug,normal,Data Parallel Haskell
5841,seg fault in ghci but not ghc when using chart-gtk code,new,,bug,normal,Compiler
5844,Panic on generating Core code,new,,bug,normal,External Core
5850,Greater customization of GHCi prompt,new,,feature request,normal,GHCi
5859,unsafeInterleaveIO duplicates computation when evaluated by multiple threads,new,simonpj,bug,high,libraries/base
5861,bytestring: incorrect documentation for hGetContents,new,duncan,bug,normal,libraries (other)
5889,-fno-prof-count-entries leads to linking errors,new,,bug,normal,Compiler
5898,ghc: internal error: Invalid Mach-O file,new,,bug,normal,Compiler
5907,Crashed loading package Safe,new,,bug,normal,Package system
5916,runST isn't free,new,,bug,normal,Compiler
5918,hsc2hs forces wordsize (i.e. -m32 or -m64) to be the choice of GHC instead of allowing a different (or no/default choice),new,,feature request,low,hsc2hs
5924,Bad Cmm generated for updating one element in Array#,new,,bug,normal,Compiler
5925,Add inline version of newArray#,new,,feature request,normal,Compiler
5927,"A type-level ""implies"" constraint on Constraints",new,,feature request,normal,Compiler (Type checker)
5928,INLINABLE fails to specialize in presence of simple wrapper,new,,bug,normal,Compiler
5942,implement POSIX confstr() in System/Posix/Unistd.hsc,new,,feature request,normal,libraries/unix
5954,Performance regression 7.0 -> 7.2 (still in 7.4),new,simonpj,bug,high,Compiler
5959,Top level splice in Template Haskell has over-ambitious lexical scope?,new,,bug,low,Compiler
5966,getAppUserDataDirectory does not respect XDG specification,new,,bug,normal,libraries/directory
5982,Incorrect dynamic library name in OSX,new,,bug,normal,libraries/base
5983,Libraries installed in wrong place,new,,bug,normal,libraries/base
5985,Type operators are not accepted as variables in contexts,new,,bug,normal,Compiler
6016,"On Windows, runhaskell hits an error on UTF-8 files with a BOM",new,,bug,normal,Compiler (Parser)
6047,GHC retains unnecessary binding,new,simonpj,bug,normal,Compiler
6079,SEH exception handler not implemented on Win64,new,,bug,normal,Runtime System
6087,Join points need strictness analysis,new,,bug,normal,Compiler
6113,Profiling with -p not written if killed with SIGTERM,new,,bug,normal,Profiling
6166,Performance regression in mwc-random since 7.0.x,new,,bug,high,Compiler
7043,32-bit GHC ceiling of negative float SEGFAULT: 11,new,igloo,bug,high,Compiler
7045,The `Read` instance of `Rational` does not support decimal notation,new,,bug,normal,libraries/base
7056,"GHCi loadArchive ""libiconv.a"":failed Unknown PEi386 section name `.drectve'",new,,bug,high,GHCi
7103,"Compiler panic, when loading wxc in GHCi",new,,bug,high,GHCi
7105,Better names for derived SCCs of instances,new,simonmar,feature request,normal,Profiling
7243,regression: acceptable foreign result types,new,igloo,bug,normal,Compiler (FFI)
7277,Recompilation check fails for TH unless functions are inlined,new,,bug,high,Template Haskell
7316,GHC segfaults on ARM,new,,bug,high,Compiler
7320,GHC crashes when building on 32-bit Linux in a Linode,new,simonmar,bug,high,Runtime System
7325,threadDelay mistreats minBound and maxBound in some configurations,new,,bug,high,Runtime System
7388,CAPI doesn't work with ghci,new,igloo,bug,normal,GHCi
7359,unix-2.6.0.0 fails to install on mac os x with 7.4.* (works with 7.6.1),new,igloo,bug,highest,libraries/unix
314,#line pragmas not respected inside nested comments,new,,bug,high,Compiler (Parser)
781,"GHCi on x86_64, cannot link to static data in shared libs",new,,bug,high,Compiler
2283,WIndows: loading objects that refer to DLL symbols,new,,bug,high,GHCi
2451,New signal-handling API,new,simonmar,task,highest,libraries/unix
2528,nub not as reliable as nubBy,new,,bug,normal,libraries/base
2725,Remove Hack in compiler/nativeGen/MachCodeGen.hs,new,clemens,bug,high,Compiler (NCG)
3103,Compiling base with cabal fails.,new,,bug,high,Compiler
3472,Porting through .hc files broken,new,--,bug,high,Build System
3647,unify handling and error messages for -X vs. {-#LANGUAGE ...#-} pragmas/extensions,new,igloo,feature request,normal,Compiler (Parser)
3658,Dynamically link GHCi (and use system linker) on platforms that support it,new,igloo,task,high,GHCi
3831,SpecConstr should exploit cases where there is exactly one call pattern,new,simonpj,bug,high,Compiler
3927,Incomplete/overlapped pattern warnings + GADTs = inadequate,new,simonpj,bug,high,Compiler
3977,Support double-byte encodings (Chinese/Japanese/Korean) on Windows,new,batterseapower,feature request,low,libraries/base
4243,Make a proper options parser for the RTS,new,,task,high,Runtime System
4259,Relax restrictions on type family instance overlap,new,,feature request,normal,Compiler (Type checker)
4364,Template Haskell: Cycle in type synonym declarations,new,simonpj,bug,high,Compiler (Type checker)
4374,Remove in-tree gmp,new,igloo,task,high,Build System
4879,Deprecate exports,new,,feature request,high,Compiler
5019,OS X: ld: warning: could not create compact unwind for _ffi_call_unix64,new,,bug,high,Compiler
5218,Add unpackCStringLen# to create Strings from string literals,new,igloo,feature request,high,Compiler
5361,regSpill: out of spill slots!,new,,bug,high,Compiler
5435,GHCi linker should run constructors for linked libraries,new,,bug,normal,Compiler
5442,ghc-pkg unregister --user/--global/--package-conf not normative,new,,bug,high,ghc-pkg
5780,-faggressive-primops change caused a failure in perf/compiler/parsing001,new,,bug,high,Compiler
5902,Cannot tell from an exception handler whether the exception was asynchronous,new,simonmar,bug,high,Compiler
5910,Holes with other constraints,new,,feature request,high,Compiler (Type checker)
5941,Add compilation stage plugins,new,,feature request,normal,Compiler
5945,Lambda lifting,new,simonpj,bug,normal,Compiler
5949,Demand analysis attributes manifestly wrong demand type,new,,bug,normal,Compiler
5972,option to suppress (Monomorphic) record selector functions,new,igloo,feature request,normal,Compiler
6004,dph-lifted-vseg package doesn't provide Data.Array.Parallel.Prelude.Float module,new,benl,bug,normal,Data Parallel Haskell
6017,Reading ./.ghci files raises security issues,new,,task,high,GHCi
6018,Injective type families,new,simonpj,feature request,normal,Compiler
6022,GHC infers over-general types,new,simonpj,bug,high,Compiler
6024,"Allow defining kinds alone, without a datatype",new,,feature request,normal,Compiler (Type checker)
6037,Compile-time crash with sources with non-representable unicode characters,new,,bug,normal,Compiler
6040,Adding a type signature changes heap allocation into stack allocation without changing the actual type,new,simonpj,bug,normal,Compiler
6056,INLINABLE pragma prevents worker-wrapper to happen.,new,simonpj,bug,normal,Compiler
6062,TH treats non-functions in function position inconsistently,new,simonpj,bug,normal,Compiler
6070,Fun with the demand analyser,new,simonpj,bug,normal,Compiler
6089,Allow declaration splices inside declaration brackets,new,simonpj,feature request,normal,Template Haskell
6092,Liberate case not happening,new,simonpj,bug,normal,Compiler
6098,debugger does not know the correct type for a newtype field,new,,bug,high,GHCi
6101,Show instance for integer-simple is not lazy enough,new,,bug,normal,libraries (other)
6107,GHCi runtime linker cannot link with duplicate common symbols,new,,bug,normal,Compiler
6124,Spurious non-exhaustive warning with GADT and newtypes,new,,bug,normal,Compiler (Type checker)
6132,Can't use both shebang line and #ifdef declarations in the same file.,new,,bug,normal,Compiler
6135,Unboxed Booleans,new,,feature request,normal,Compiler
6147,GeneralizedNewtypeDeriving should fail with data families,new,simonpj,bug,high,Compiler (Type checker)
6149,ghc-7.4.2 tests for profasm seg-fault under solaris,new,,bug,normal,Compiler
7011,32bit GHC 7.4.2 cannot compile integer-gmp on OS X 10.8,new,,bug,high,libraries (other)
7015,Add support for 'static',new,,feature request,normal,Compiler
7017,"Rethink need for tarballs under ""friendly"" environment",new,,task,high,Build System
7021,Tuple (and other exotic predicates) not yet handled in Template Haskell,new,,feature request,normal,Template Haskell
7028,incorrect link paths for in mac os x after install,new,igloo,bug,high,Build System
7033,stale .tix files can cause programs built with -fhpc to segfault,new,,bug,normal,Code Coverage
7044,reject reading rationals with exponent notation,new,,bug,normal,Compiler
7048,Add the ability to statically define a `FunPtr` to a haskell function,new,,feature request,normal,Compiler
7057,Simplifier infinite loop regression,new,simonpj,bug,normal,Compiler
7063,Register allocators can't handle non-uniform register sets,new,benl,bug,normal,Compiler (NCG)
7066,isInstance does not work for compound types,new,simonpj,bug,normal,Template Haskell
7068,Extensive Memory usage (regression),new,simonpj,bug,high,Compiler
7072,GHC interpreter does not find stat64 symbol on Linux,new,,bug,normal,GHCi
7078,Panic using mixing list with parallel arrays incorrectly,new,chak,bug,normal,Compiler
7081,arrow analogs of lambda case and multi-way if,new,,feature request,normal,Compiler
7091,DPH Matrix product memory usage,new,benl,bug,normal,Data Parallel Haskell
7097,linker fails to load package with binding to foreign library,new,,bug,high,Runtime System
7098,GHC 7.4.1 reports an internal error and core dumps while using DPH,new,benl,bug,normal,Compiler
7104,Add tryWriteTBQueue to Control.Concurrent.STM.TBQueue,new,simonmar,feature request,normal,libraries (other)
7109,"Inlining depends on datatype size, even with INLINE pragmas",new,simonpj,bug,normal,Compiler
7114,Cannot recover (good) inlining behaviour from 7.0.2 in 7.4.1,new,,bug,normal,Compiler
7116,Missing optimisation: strength reduction of floating-point multiplication,new,pcapriotti,bug,normal,Compiler
7133,"GHCi: strange behaviour after CTRL-C, followed by 'hPutChar: resource vanished (Broken Pipe)' when quitting",new,tibbe,bug,normal,GHCi
7134,ghc-7.6.0.20120810-x86_64-windows.exe -> internal error R_X86_64_PC32,new,igloo,bug,highest,GHCi
7140,Allow type signature in export list,new,,feature request,normal,Compiler (Type checker)
7141,Inlining the single method of a class can shadow rules,new,simonpj,bug,normal,Compiler
7143,ghc-7.6.0.20120810-x86_64-windows.exe -> ghc can't figure out LLVM version,new,dterei,bug,high,Compiler (LLVM)
7148,generalized newtype and  type families is unsound,new,simonpj,bug,normal,Compiler (Type checker)
7152,Add flag to configure that skips overwriting of symlinks on install,new,,bug,high,Build System
7158,GHCi commands case insensitive,new,,feature request,normal,GHCi
7161,hSetNewlineMode and hSetEncoding can be performed on closed and semi-closed handles,new,,bug,normal,libraries/base
7167,Make it a warning (not error) to hide an import that isn't exported,new,igloo,bug,highest,Compiler
7169,Warning for incomplete record field label used as function,new,,feature request,normal,Compiler
7181,Add documentation on heap-profile file format.,new,,feature request,normal,Documentation
7186,problems with typelits  and typenats,new,,bug,normal,Compiler (Type checker)
7189,RTS Assertion Crash,new,simonmar,bug,normal,Runtime System
7190,GHC's -fprof-auto does not work with LINE pragmas,new,,bug,normal,Profiling
7198,New codegen more than doubles compile time of T3294,new,simonmar,bug,high,Compiler
7200,template-haskell-2.7.0.0 fails to build with GHC 7.0.4 due to missing pragma,new,duncan,bug,high,Template Haskell
7204,Use a class to control FFI marshalling,new,,feature request,normal,Compiler
7229,Detecting if a process was killed by a signal is impossible,new,,bug,high,libraries/process
7240,Stack trace truncated too much with indirect recursion,new,nomeata,bug,normal,Profiling
7241,GHC-7.6.1 panics on template haskell code,new,simonpj,bug,normal,Template Haskell
7245,INLINEing top-level patterns causes ghc to emit 'arity missing' traces,new,,bug,normal,Compiler
7246,"Callstack depends on way (prof, profasm, profthreaded",new,,bug,normal,Profiling
7253,Top-level bindings in ghci,new,,feature request,normal,GHCi
7258,Compiling DynFlags is jolly slow,new,simonpj,bug,normal,Compiler
7259,Eta expansion of products in System FC,new,simonpj,bug,normal,Compiler
7263,Add derived Show instances to GHC.Generics,new,dreixel,feature request,normal,GHC API
7266,Allow fractional-looking integer literals,new,,feature request,high,Compiler
7269,GeneralizedNewtypeDeriving and PolyKinds,new,dreixel,bug,normal,Compiler
7273,Binary size increase in nofib/grep between 7.6.1 and HEAD,new,,bug,high,Compiler
7275,Give more detailed information about PINNED data in a heap profile,new,igloo,feature request,normal,Compiler
7283,Specialise INLINE functions,new,,feature request,normal,Compiler
7285,mkWeakMVar is non-compositional,new,,feature request,normal,Compiler
7289,Mingw FPU init not Windows compatible.,new,,bug,high,Runtime System
7296,ghc-7 assumes incoherent instances without requiring language `IncoherentInstances`,new,simonpj,bug,normal,Compiler (Type checker)
7297,LLVM incorrectly hoisting loads,new,dterei,bug,normal,Compiler (LLVM)
7298,Test 2228 fails with dynamic-by-default,new,igloo,bug,high,GHCi
7300,Allow CAFs kept reachable by FFI to be forcibly made unreachable for GC,new,,feature request,high,Compiler (FFI)
7305,T5975a is broken on Windows,new,,bug,normal,Test Suite
7307,Share top-level code for strings,new,,bug,normal,Compiler
7326,print035(ghci) fails when ghci is dynamic,new,igloo,bug,high,GHCi
7329,ghc-7.6.1 win64: internal error: R_X86_6 4_PC32: High bits are set in WSAGetLastError,new,,bug,normal,GHCi
7330,Data Parallel Haskell (DPH) isn't usable yet.,new,benl,feature request,normal,Compiler
7331,Allow the evaluation of declaration splices in GHCi,new,,feature request,normal,GHCi
7335,Need for extra warning pragma for accidental pattern matching in do blocks,new,,feature request,normal,Compiler
7337,GHC does not generate great code for bit-level rotation,new,,feature request,normal,Compiler
7346,Allow the use of `deriving` for GHC generics,new,dreixel,feature request,normal,Compiler
7353,Make system IO interruptible on Windows,new,,bug,normal,libraries/base
7367,Optimiser / Linker Problem on amd64,new,,bug,normal,Build System
7371,Supporting old GHC versions in our libraries,new,igloo,task,normal,Build System
7373,When building GHC: Failed to load interface for `GHC.Fingerprint',new,,bug,normal,libraries/base
7374,rule not firing,new,,bug,normal,Compiler
7378,Identical alts/bad divInt# code,new,,bug,normal,Compiler
7379,rangeTest test fails on Windows,new,,bug,normal,libraries/random
7380,Panic: mkNoTick: Breakpoint loading modules with -O2 via API,new,,bug,normal,GHC API
7382,Evaluating GHCi expressions is slow following the dynamic-by-default change,new,,bug,highest,GHCi
7389,can't link postgresql-libpq on windows,new,,bug,normal,GHCi
7395,DefaultSignatures conflict with default implementations,new,,feature request,normal,Compiler
7398,RULES don't apply to a newtype constructor,new,,bug,normal,Compiler
7399,Test Posix004 fails in test-suite,new,,bug,normal,libraries/unix
7401,"Can't derive instance for Eq when datatype has no constructor, while it is trivial do do so.",new,monoidal,feature request,normal,Compiler
7411,Exceptions are optimized away in certain situations,new,,bug,high,Compiler
7413,runghc (runhaskell) should be able to reload code on editing,new,,feature request,normal,Compiler
7414,plugins always trigger recompilation,new,,feature request,normal,Compiler
7428,GHC compile times are seriously non-linear in program size,new,,bug,normal,Compiler
7430,GHC API reports CPP errors in confusing ways,new,,bug,normal,GHC API
7437,peculiar behaviour with default instances and type variables,new,simonpj,bug,normal,Compiler
7443,Generated C code under -prof -fprof-auto -fprof-cafs very slow to compile,new,,bug,normal,Profiling
7450,Regression in optimisation time of functions with many patterns (6.12 to 7.4)?,new,,bug,normal,Compiler
7452,[GNU gold] ld: error: cannot find [...]/Types__1.o,new,,bug,high,Build System
7456,GHC API displays linker messages to stdout instead of via log_action,new,igloo,bug,high,GHC API
7459,deriving Generic does not work with TypeLits,new,dreixel,feature request,normal,Compiler
7460,Double literals generated bad core,new,tibbe,bug,normal,Compiler
7461,"Error messages about ""do"" statements contain false information",new,,bug,normal,Compiler (Type checker)
7463,"[PATCH] When -keep-hc-files is enabled, foreign stubs *_stub.c should also be kept.",new,igloo,bug,normal,Compiler
7464,git tag for base-4.6.0.0 missing,new,igloo,bug,normal,libraries/base
7473,getModificationTime gives only second-level resolution,new,,bug,normal,libraries/directory
7475,Mysterious Data.Word Segmentation Fault in GHCi,new,,bug,normal,Compiler
7477,reifyInstances can't deal with polykinded type families,new,,bug,normal,Compiler
7481,Partially promoted data types,new,,bug,high,Compiler
7482,GHC.Event overwrites main IO managers hooks to RTS,new,AndreasVoellmy,bug,normal,libraries/base
7484,Template Haskell allows building invalid record fields/names,new,,bug,normal,Template Haskell
7490,ghc-stage1 panic when building a cross-compiler or cross-building a compiler,new,igloo,bug,high,Compiler
7492,Generic1 deriving: Can we replace Rec1 f with f :.: Par1?,new,dreixel,feature request,normal,Compiler
7494,Allow compatible type synonyms to be the return type of a GADT data constructor.,new,,feature request,normal,Compiler (Type checker)
7495,Rebindable list syntax?,new,,feature request,normal,Compiler
7500,GHC: internal error: getMBlock: mmap: Operation not permitted,new,,bug,normal,Compiler
7501,Some GHCi options are undocummented,new,,bug,high,Documentation
7503,"Bug with PolyKinds, type synonyms & GADTs",new,simonpj,bug,normal,Compiler (Type checker)
7505,Commentary shipped with GHC sources is outdated,new,,bug,normal,Documentation
7511,"Room for GHC runtime improvement >~5%, inlining related",new,,bug,normal,Compiler
7520,Implement cardinality analysis,new,,bug,normal,Compiler
7521,Simplifier ticks exhausted when compiling Accelerate example.,new,,bug,high,Compiler
7534,allocateRegsAndSpill: Cannot read from uninitialized register,new,,bug,high,Compiler
7535,Using -with-rtsopts=-N should fail unless -threaded is also specified,new,,bug,normal,Compiler
7539,Hard ghc api crash when calling runStmt on code which has not been compiled,new,,bug,normal,Compiler
7540,Panic on type inference with vectorised parallel arrays,new,chak,bug,highest,Compiler
7542,GHC doesn't optimize (strict) composition with id,new,simonpj,bug,normal,Compiler
7543,Constraint synonym instances,new,,bug,normal,Compiler
7544,GHC downloads are unsigned,new,igloo,feature request,normal,Build System
7558,Terrible error message when given and wanted are both insoluble,new,simonpj,bug,normal,Compiler
7567,invalidateModSummaryCache throws exception if ms_hs_date is 0,new,,bug,high,Compiler
7574,Register allocator chokes on certain branches with literals,new,thoughtpolice,bug,high,Compiler (NCG)
7593,Unable to print exceptions of unicode identifiers,new,,bug,normal,Compiler
7596,Opportunity to improve CSE,new,simonpj,bug,normal,Compiler
7598,ghc-stage1 generates wrong assembler on StgCmmPrim (operand out of range),new,,bug,high,Compiler
7602,Threaded RTS performing badly on recent OS X (10.8?),new,thoughtpolice,bug,high,Runtime System
7604,"System.Directory.canonicalizePath """" behaviour differs between platforms",new,,bug,normal,libraries/directory
7606,Stride scheduling for Haskell threads with priorities,new,ezyang,feature request,normal,Runtime System
7608,LLVM only handles a hard-coded list of triples.,new,dterei,task,normal,Compiler (LLVM)
7610,Cross compilation support for LLVM backend,new,dterei,bug,normal,Compiler (LLVM)
7611,Rewrite rules application prevented by type variable application (map id vs. map (\x -> x)),new,,bug,normal,Compiler
7619,Make worker-wrapper unbox data families,new,simonpj,feature request,normal,Compiler
7621,Cross-build for QNX ARM smashes stack when using FunPtr wrappers,new,,bug,normal,Compiler (FFI)
7623,GHC Arm support,new,,task,normal,Compiler
7624,Handling ImplicitParams in Instance Declaration,new,,bug,normal,Documentation
7625,Semicolon is not handled between imports at the ghci command prompt,new,,bug,normal,GHCi
7633,"Checkable ""minimal complete definitions""",new,,feature request,normal,Compiler
7634,MD5 collision could lead to SafeHaskell violation,new,,bug,normal,libraries/base
7635,SafeHaskell implying other options,new,,feature request,normal,Compiler
7637,split-objs not supported for ARM,new,,feature request,normal,Compiler
7643,Kind application error,new,simonpj,bug,normal,Compiler (Type checker)
7644,Hackage docs for base library contain broken links,new,,bug,normal,Documentation
7647,UNPACK polymorphic fields,new,simonpj,feature request,normal,Compiler
7650,can't use combining characters in identifiers,new,,bug,normal,Compiler
7651,Buiding GHC with parallel IO manager freezes on Mac (not on FreeBSD),new,,bug,high,Build System
7655,7.6.2 Segmentation Fault/Bus Error in large exponentation,new,igloo,bug,normal,GHCi
7660,warning: conflicting types when compiling via-C,new,igloo,bug,normal,Compiler
7665,dynamicToo001 fails on Windows,new,igloo,bug,normal,Compiler
7666,excessive space and time usage for rendering (somewhat) deeply nested Docs,new,dterei,bug,normal,libraries/pretty
7667,Template Haskell fails to recognize type operator/function +,new,,bug,normal,Template Haskell
7668,Location in -fdefer-type-errors,new,,bug,normal,Compiler (Type checker)
7669,Empty case causes warning,new,,bug,normal,Compiler
7670,StablePtrs should be organized by generation for efficient minor collections,new,,bug,normal,Runtime System
7672,boot file entities are sometimes invisible and are not (semantically) unified with corresponding entities in implementing module,new,,bug,normal,Compiler (Type checker)
7676,Unify patterns and function bindings,new,,feature request,normal,Compiler
7678,GHC should compile cleanly with clang,new,thoughtpolice,bug,high,Compiler
7679,Regression in -fregs-graph performance,new,,bug,high,Compiler (NCG)
7685,:script command does not resolve ~,new,,bug,normal,GHCi
7687,ghc panic on TH and deriveJSON,new,,bug,normal,Template Haskell
7694,LLVM: bootstrapping with LLVM 3.2 does not work,new,dterei,bug,normal,Compiler (LLVM)
7695,Hang when locale-archive and gconv-modules are not there,new,,bug,normal,None
7698,thread blocked indefinitely in an MVar operation,new,igloo,bug,normal,GHCi
7712,"""make install"" fails on Windows",new,igloo,bug,high,Build System
7713,Panic! make_exp (App _ (Coercion _)) when compiled with -fext-core,new,,bug,normal,External Core
7723,iOS patch no 12: Itimer.c doesn't work on iOS,new,,bug,normal,Runtime System
7724,cross-compile to iOS,new,,feature request,normal,Compiler
7725,Operators without colons,new,,bug,normal,Compiler
7727,Nonsense evaluation: sequence [] = [],new,igloo,bug,normal,GHCi
7730,:info and polykinds,new,,bug,normal,Compiler (Type checker)
7735,-fext-core doesn't generate .hcr when .o and .hi files are present,new,,bug,normal,External Core
7736,Parallel array enumeration causes compiler panic (enumFromToP),new,chak,bug,normal,Compiler
7741,Add SIMD support to x86/x86_64 NCG,new,,feature request,normal,Compiler
7746,Support loading/unloading profiled objects from a profiled executable,new,ezyang,feature request,normal,Runtime System
7751,Incremental heap census,new,ezyang,feature request,normal,Profiling
7752,GHC as a library documentation out of sync,new,,bug,high,Documentation
7753,Profiling report broken with foreign exported functions,new,,bug,normal,Profiling
7762,when using lots of memory: internal error: evacuate(static): strange closure type 4,new,,bug,normal,Runtime System
7765,Odd error message for `runghc` with missing `main` function.,new,igloo,bug,normal,Compiler
7767,"""internal error: evacuate: strange closure type 154886248"" crash",new,,feature request,normal,Runtime System
7768,"""untracked content"" in fresh clone of haskeline",new,igloo,bug,normal,Build System
7771,RTS should provide stg_sel_n_noupd_closure,new,simonpj,bug,normal,Compiler
7772,Finish support for DYNAMIC_GHC_PROGRAMS on Windows,new,igloo,bug,high,Compiler
7774,T5313 fails,new,,bug,normal,GHC API
7779,building GHC overwrites the installed package database if GHC_PACKAGE_PATH is set,new,igloo,bug,normal,Build System
7782,flag to run the demand analysis a second time,new,nfrisby,task,normal,Compiler
7783,MultiWayIf should start a new layout,new,,bug,normal,Compiler (Parser)
7787,modifyMVar does not restore value if callback returns error value,new,,bug,high,libraries/base
7788,Recursive type family causes <<loop>>,new,simonpj,bug,normal,Compiler (Type checker)
7789,GHCI core dumps when used with VTY,new,igloo,bug,normal,GHCi
7790,Add dummy undefined symbols to indicate ways,new,ezyang,task,normal,Compiler
7794,"GHCi ""Prelude.undefined"" exceptions on ARM; ByteCodeItbls.mkJumpToAddr unimplemented",new,,bug,normal,GHCi
7800,Error message when deriving Typeable without PolyKinds,new,dreixel,bug,normal,Compiler
7803,Superclass methods are left unspecialized,new,,bug,normal,Compiler
7807,"Parse error with ""where"" and file-ending comment",new,,bug,high,Compiler (Parser)
7808,data families and TH names do not mix well (e.g. cannot use TH deriving),new,,feature request,normal,Template Haskell
7814,panic in PPC NCG,new,heisenbug,bug,high,Compiler
7828,RebindableSyntax and Arrow,new,,bug,normal,Compiler (Type checker)
7829,make better/more robust loopbreaker choices,new,,task,normal,Compiler
7830,Error: operand out of range,new,,bug,high,Compiler
7831,Bad fragmentation when allocating many large objects,new,ezyang,bug,normal,Runtime System
7833,installed GHC refers to libffi in the build directory,new,igloo,bug,high,Build System
7889,Build Error (master branch),new,,bug,high,GHCi
7926,eventfd: unsupported operation when doing anything,new,AndreasVoellmy,bug,highest,Compiler
7953,Segfault on x86 with -O2,new,,bug,highest,Compiler
7970,Thread GC frees roots before thread actually finishes,new,simonmar,bug,high,Runtime System
17,Separate warnings for unused local and top-level bindings,new,--,feature request,lowest,Compiler
95,GHCi :edit command should jump to the the last error,new,,feature request,normal,GHCi
110,Cygwin binaries,new,,feature request,normal,None
149,missed CSE opportunity,new,,bug,normal,Compiler
229,Integer overflow in array allocation,new,,bug,low,libraries/base
284,RPM doesn't support --prefix,new,juhp,feature request,normal,Build System
285,hp-ux 11.11 binaries,new,,feature request,normal,None
307,Implicit Parameters and monomorphism,new,,feature request,low,None
322,fromInteger-related pattern match overlap warnings,new,simonpj,bug,normal,Compiler
345,GADT - fundep interaction,new,simonpj,bug,low,Compiler (Type checker)
367,Infinite loops can hang Concurrent Haskell,new,ezyang,bug,lowest,Compiler
368,Provide a Java Backend,new,,feature request,normal,Compiler
393,functions without implementations,new,simonpj,feature request,normal,Compiler (Type checker)
418,throwTo to a thread inside 'block',new,,bug,lowest,Runtime System
427,Random.StdGen slowness,new,rrnewton,bug,normal,libraries/random
436,Declare large amounts of constant data,new,,feature request,normal,Compiler
457,Strictness problem,new,,bug,normal,Compiler
472,Supertyping of classes,new,,feature request,normal,Compiler (Type checker)
487,powerpc/linux segfaulting binaries,new,,bug,normal,Compiler
552,GHCi  :m  doesn't restore default decl,new,,bug,lowest,GHCi
589,Various poor type error messages,new,,bug,low,Compiler (Type checker)
595,Overhaul GHC's overlapping/non-exhaustive pattern checking,new,,task,normal,Compiler
597,Various error messages have inaccurate source locations,new,,task,low,Compiler
599,The Front Panel,new,,task,normal,Runtime System
603,GC-spy connection,new,,task,normal,Runtime System
605,Optimisation: strict enumerations,new,,task,normal,Compiler
617,Alpha port,new,,task,normal,Compiler
618,Dependency caching in ghc --make,new,,task,normal,Compiler
624,Program location for thread error messages,new,,task,normal,Compiler
634,Implement a more efficient TArray,new,--,task,normal,Runtime System
670,External Core is broken,new,tim,bug,normal,External Core
701,Better CSE optimisation,new,michalt,task,normal,Compiler
728,switch to compacting collection when swapping occurs,new,,feature request,normal,Runtime System
750,"Set -M, -H, -c and other memory-related values based on available virtual/physical memory",new,,feature request,normal,Runtime System
806,hGetBufNonBlocking doesn't work on Windows,new,,bug,normal,libraries/base
816,Weird fundep behavior (with -fallow-undecidable-instances),new,,bug,normal,Compiler (Type checker)
855,Improvements to SpecConstr,new,,task,normal,Compiler
860,CPP fails when a macro is used on a line containing a single quote character,new,,feature request,lowest,Compiler
881,Improve space profiling for references,new,,feature request,normal,Profiling
910,--make should have a -j flag for parallel building,new,,feature request,normal,Compiler
917,-O introduces space leak,new,,bug,lowest,Compiler
926,infinite loop in ShutdownIOManager(),new,,bug,lowest,Runtime System
932,Improve inlining,new,simonpj,task,normal,Compiler
947,ghc -O space leak: CSE between different CAFs,new,,bug,normal,Compiler
960,Lexical call site string,new,,feature request,normal,Compiler
989,"Windows ""native"" port",new,,task,normal,Compiler
1009,GHC Performance Index,new,,task,normal,Build System
1057,Implicit parameters on breakpoints,new,,bug,normal,GHCi
1062,Bad output from Text.PrettyPrint.HughesPJ,new,,bug,normal,libraries/pretty
1087,bang patterns with infix ops,new,,bug,normal,Compiler (Parser)
1147,Quadratic behaviour in the compacting GC,new,,bug,normal,Runtime System
1158,Problem with GADTs and explicit type signatures,new,simonpj,bug,lowest,Compiler
1168,Optimisation sometimes decreases sharing in IO code,new,,bug,normal,Compiler
1171,GHC doesn't respect the imprecise exceptions semantics,new,,bug,low,Compiler
1176,Infinite loop when printing error message,new,thorkilnaur,bug,low,Compiler
1192,"GHC-only IOErrorType constructors, and is*Error(Type) functions",new,,feature request,low,Compiler
1201,ghci runs Template Haskell splices 4 times,new,simonpj,bug,low,Template Haskell
1231,deprecation warnings are reported too often,new,simonpj,feature request,low,Compiler
1262,RecursiveDo in Template Haskell,new,,feature request,normal,Template Haskell
1273,would like to print partial application values when at a breakpoint,new,,feature request,normal,GHCi
1290,ghc runs preprocessor too much,new,,bug,normal,Driver
1307,Warning refers to code not in the source,new,,bug,lowest,Compiler
1308,Type signature in warning is wrong,new,,bug,normal,Compiler
1311,newtypes of unboxed types disallowed - documentation bug and/or feature request,new,,feature request,low,Compiler
1316,add warning for local type signatures that use the same type variable names as outer type signatures,new,simonpj,feature request,normal,Compiler
1318,add warning for prefix negate operator and flag to replace it with negative numeric literals,new,,feature request,normal,Compiler (Parser)
1371,Add  -O3,new,,task,normal,Compiler
1388,Newbie help features,new,,feature request,low,GHCi
1399,better support for developing threaded applications in ghci,new,,feature request,normal,GHCi
1400,:set +r doesn't work for interpreted modules,new,simonmar,bug,normal,GHCi
1404,allow more type signatures,new,,feature request,normal,Compiler (Type checker)
1405,Make ghc (stage1) be compilable by non-GHC,new,,task,normal,Compiler
1407,Add the ability to :set -l{foo} in .ghci files,new,igloo,feature request,normal,GHCi
1409,Allow recursively dependent modules transparently (without .hs-boot or anything),new,,feature request,normal,Compiler
1444,Template Haskell: add proper support for qualified names in non-splicing applications,new,,feature request,normal,Template Haskell
1451,Provide way to show the origin of a constraint,new,,feature request,normal,Compiler (Type checker)
1473,isSpace is too slow,new,,bug,normal,libraries/base
1475,Adding imports and exports with Template Haskell,new,,feature request,normal,Template Haskell
1476,Template Haskell: splicing types and patterns,new,,bug,low,Template Haskell
1477,ghci shouldn't link entire package,new,,feature request,normal,GHCi
1480,Template Haskell should allow reification of modules,new,,feature request,normal,Template Haskell
1526,-fobject-code doesn't apply to expressions typed at the prompt,new,,bug,normal,Compiler
1530,debugging :steps inside TH spliced code need to be bypassed,new,,bug,normal,GHCi
1532,Implicit parameters are not available in breakpoints,new,,feature request,normal,GHCi
1593,Improve runInteractiveProcess error message when working directory does not exist,new,simonmar,task,low,libraries/process
1614,Type checker does not use functional dependency to avoid ambiguity,new,,bug,normal,Compiler (Type checker)
1628,warning(s) for using stolen syntax that's not currently enabled,new,,feature request,low,Compiler
1687,A faster (^)-function.,new,,bug,normal,Prelude
1768,More flexible type signatures for data constructors,new,,feature request,low,Compiler
1791,heap overflow should generate an exception,new,,feature request,normal,Runtime System
1800,Template Haskell support for running functions defined in the same  module,new,--,feature request,normal,Template Haskell
1826,unable to list source for <exception thrown> should never occur,new,--,feature request,normal,GHCi
1830,Automatic derivation of Lift,new,,feature request,normal,Template Haskell
1831,reify never provides the declaration of variables,new,,bug,normal,Template Haskell
1921,change default to support extensions that involve a change of syntax,new,,feature request,normal,Compiler
1928,Confusing type error message,new,,bug,low,Compiler (Type checker)
1974,"length ""foo"" doesn't work with -XOverloadedStrings",new,,feature request,normal,Compiler
2031,relocation overflow,new,,bug,normal,Compiler
2041,Allow splicing in concrete syntax,new,,feature request,normal,Template Haskell
2057,inconsistent .hi file error gets ignored,new,,bug,normal,Compiler
2101,Allow some form of type-level lemma,new,,feature request,normal,Compiler
2132,Optimise nested comparisons,new,,bug,normal,Compiler
2180,"Any installed signal handler stops deadlock detection, but XCPU never happens in a deadlock",new,Baughn,feature request,normal,Runtime System
2182,"ghc sessions (--make, --interactive, ghc api) erroneously retain instances",new,,bug,low,GHCi
2200,big static random access arrays,new,,feature request,normal,Compiler
2204,Improve 'patterns not matched' warnings,new,,feature request,low,Compiler
2207,Load the interface details for GHC.* even without -O,new,,feature request,normal,Compiler
2233,Overhaul System.Process,new,simonmar,task,normal,libraries/process
2255,Improve SpecConstr for free variables,new,,bug,normal,Compiler
2280,randomR too slow,new,rrnewton,bug,normal,libraries/random
2344,oddity with package prefixes for data constructors,new,,feature request,normal,GHCi
2356,GHC accepts multiple instances for the same type in different modules,new,,bug,low,Compiler
2403,caching for runghc (runhaskell),new,jsnx,feature request,normal,Compiler
2427,Allow compilation of source from stdin,new,,feature request,normal,Compiler
2456,"For higher kinds, instance declarations need quantification in the context",new,,feature request,normal,Compiler
2465,View + Pattern Match not fused sufficiently,new,,bug,low,Compiler
2489,Registry keys are created in per-user HKCU instead of system-wide HKLM,new,,bug,normal,None
2496,Invalid Eq/Ord instances in Data.Version,new,duncan,bug,normal,libraries/base
2607,Inlining defeats selector thunk optimisation,new,,bug,normal,Compiler
2625,Unexpected -ddump-simpl output for derived Ord instance and UNPACKed fields,new,,bug,low,Compiler
2628,hIsTerminalDevice returns True for /dev/null (aka NUL) on Windows,new,,bug,normal,libraries/base
2630,"installed packages should have a src-dirs field, for access to optionally installed sources",new,--,feature request,normal,Package system
2697,bad testsuite results with ghc-6.10.0.20081007,new,,bug,normal,Compiler
2708,Error message should suggest UnboxedTuples language extension,new,,feature request,low,Compiler (Parser)
2742,The -> in ViewPatterns binds more weakly than infix data constructors.,new,,feature request,normal,Compiler
2786,Blackhole loops are not detected and reported in GHCi,new,,bug,normal,GHCi
2841,Ghci + foreign export declarations result in undefined symbols,new,,bug,normal,Compiler (FFI)
2893,"Implement ""Quantified contexts"" proposal",new,,feature request,normal,Compiler
2895,"Implement the ""Class System Extension"" proposal",new,,feature request,normal,Compiler
2896,Warning suggestion: argument not necessarily a binary operator,new,,feature request,low,Compiler
2917,alloca and allocaArray do not respect alignment,new,,bug,normal,Compiler (FFI)
2926,Foreign exported function returns wrong type,new,,bug,low,Compiler (FFI)
3021,A way to programmatically insert marks into heap profiling output,new,,feature request,normal,Profiling
3024,Rewrite hp2ps in Haskell,new,,task,normal,Profiling
3048,Heap size suggestion gets ignored when -G1 flag is passed,new,,bug,normal,Runtime System
3081,Double output after Ctrl+C on Windows,new,,bug,normal,Runtime System
3134,encodeFloat . decodeFloat,new,,bug,normal,Prelude
3178,Fix linking -lpthread for semaphores,new,--,bug,normal,libraries/unix
3195,runghc failing sometimes,new,--,bug,normal,None
3205,Generalized isomorphic deriving,new,,feature request,normal,Compiler
3215,Valgrind support,new,,feature request,normal,Runtime System
3266,Segment fault with WxHaskell and GHC 6.10.2,new,,bug,normal,Compiler
3283,Selective disabling of unused bind warnings,new,,feature request,normal,Compiler
3353,Add CLDouble support,new,,bug,normal,Compiler
3354,binaries built with GHC on Mac OS X 10.5 (Leopard) do not work on 10.4 (Tiger),new,,bug,normal,Build System
3384,Add HsSyn prettyprinter tests,new,,task,normal,Test Suite
3447,Class restrictions on type instances,new,,feature request,normal,Compiler
3490,Relax superclass restrictions,new,,feature request,normal,Compiler
3511,port GHC to OpenBSD/sparc64 (unregisterised is fine),new,,task,normal,Compiler
3541,Allow local foreign imports,new,,feature request,normal,Compiler (FFI)
3545,As-patterns for type signatures,new,--,feature request,normal,Compiler (Type checker)
3549,unlit does not follow H98 spec,new,,bug,normal,Compiler
3557,CPU Vector instructions in GHC.Prim,new,,feature request,normal,Compiler (NCG)
3569,ghci can't handle utf-8 chinese char correctly when modify.,new,judah,bug,normal,GHCi
3575,mkStdGen and split conspire to make some programs predictable,new,rrnewton,bug,normal,libraries/random
3577,Complete support for Data Parallel Haskell,new,rl,feature request,normal,Data Parallel Haskell
3583,Default view patterns,new,,feature request,normal,Compiler
3601,"When running two or more instances of GHCi, persistent history is only kept for the first one",new,,feature request,normal,GHCi
3615,GHCi doesn't allow the use of imported data contructors,new,--,feature request,normal,GHCi
3620,The seeds generated by split are not independent,new,rrnewton,bug,normal,libraries/random
3628,exceptions reported to stderr when they propagate past forkIO,new,--,bug,normal,libraries/base
3676,realToFrac doesn't sanely convert between floating types,new,,bug,normal,libraries (other)
3765,"Rules should ""look through"" case binders too",new,,bug,normal,Compiler
3769,Add manpages for programs installed alongside ghc,new,,feature request,normal,Documentation
3814,Compile to more than one (sub)-architecture,new,,feature request,normal,Compiler
3827,Compiling fails on linux-powerpc,new,,bug,normal,Compiler
3872,New way to make the simplifier diverge,new,,bug,normal,Compiler
3919,Or-patterns as GHC extension,new,,feature request,normal,Compiler
3971,FFI callback segfaults on PPC,new,,bug,normal,Compiler (FFI)
3995,Comment delimiters ignored inside compiler pragma,new,,bug,normal,Compiler (Parser)
3998,strace breaks System.Process(?),new,,bug,normal,libraries/process
4005,Bad behaviour in the generational GC with paraffins -O2,new,,bug,normal,Runtime System
4029,ghci leaks memory when loading a file,new,,bug,normal,GHCi
4043,"Parsing of guards, and type signatures",new,,bug,normal,Compiler (Parser)
4091,Parse error on curried context of instance declaration,new,,feature request,normal,Compiler
4370,Bring back monad comprehensions,new,,feature request,normal,Compiler
4438,"Rename and register the ""PArr"" language extension when it is judged to be ready",new,benl,task,normal,Data Parallel Haskell
4463,CORE notes break optimisation,new,,bug,low,Compiler
4863,TH crashes if you reify the Name of a dfun,new,simonpj,bug,low,Template Haskell
4894,Missing improvement for fun. deps.,new,,feature request,normal,Compiler (Type checker)
4934,threadWaitRead works incorrectly on nonthreaded RTS,new,,bug,normal,Runtime System
4941,SpecConstr generates functions that do not use their arguments,new,,task,normal,Compiler
5041,Incorrect Read deriving for MagicHash constructors,new,,bug,low,Compiler
5071,GHCi crashes on large alloca/allocaBytes requests,new,,bug,normal,Compiler
5082,Emit warnings when conflicting flags are supplied,new,,feature request,normal,Compiler
5144,Pattern synonyms,new,,feature request,normal,Compiler
5278,System.Random.randomIvalInteger makes invalid assumptions about RandomGen,new,rrnewton,bug,normal,libraries/random
5280,System.Random commits (rand `mod` base) error.,new,rrnewton,bug,normal,libraries/random
5316,Orphan instances strike again: ghc rejects a program at first but will accept it if you repeat the same compilation command,new,,bug,low,Compiler
5324,Locally-scoped RULES,new,,feature request,normal,Compiler
5340,wrong warning on incomplete case analysis in conjunction with empty data declarations,new,,bug,lowest,Compiler
5344,CSE should look through coercions,new,simonpj,feature request,normal,Compiler
5400,GHC loops on compiling with optimizations,new,,bug,normal,Compiler
5416,Local modules and Template Haskell declaration splices,new,,feature request,normal,Compiler
5448,GHC stuck in infinite loop compiling with optimizations,new,,bug,normal,Compiler
5466,Documentation for Chan could be better,new,,bug,normal,libraries/base
5476,Cap memory usage for one thread without disrupting other threads,new,,feature request,normal,Runtime System
5722,GHC inlines class method forever,new,simonpj,bug,normal,Compiler
5728,Warnings from -fwarn-incomplete-record-updates even with all constructors matched,new,,bug,normal,Compiler
5762,GHC gives incorrect warnings with simple applications of the view patterns extension,new,,bug,normal,Compiler
5793,make nofib awesome,new,dterei,task,normal,NoFib benchmark suite
5794,Nofib nightly regressions with pretty graphs,new,dterei,task,normal,NoFib benchmark suite
5797,readRawBufferPtr cannot be interrupted by exception on Windows with -threaded,new,,bug,normal,libraries/base
5957,signatures are too permissive,new,,bug,low,Compiler (Type checker)
5974,"Casts, rules, and parametricity",new,,bug,normal,Compiler
6030,Typeclass constraint should pick the OverloadedString type.,new,,feature request,normal,Compiler
6034,Parse error when using ' with promoted kinds,new,,bug,low,Compiler (Parser)
6065,Suggested type signature causes a type error (even though it appears correct),new,,bug,normal,Compiler (Type checker)
7026,Impredicative implicit parameters,new,,bug,normal,Compiler (Type checker)
7080,Make RULES and SPECIALISE more consistent,new,,bug,normal,Compiler
7206,Implement cheap build,new,simonpj,bug,normal,Compiler
7261,ghci's :info and :browse break encapsulation,new,,feature request,normal,GHCi
7291,hp2ps should cope with incomplete data,new,,feature request,normal,Profiling
7309,"The Ix instance for (,) leaks space in range",new,,bug,normal,libraries (other)
7662,Improve GC of mutable objects,new,,feature request,normal,Runtime System
7835,"ghc --make: allow passign .cmm, .c and .hs files in one command line",new,,feature request,normal,Compiler
7842,Incorrect checking of let-bindings in recursive do,new,,bug,normal,Compiler (Type checker)
7845,RebindableSyntax should allow rebinding tuples and lists,new,,feature request,normal,Compiler
7849,Error on pattern matching of an existential whose context includes a type function,new,,bug,normal,Compiler (Type checker)
7858,Fix definitions of abs/signum for Floats/Doubles,new,,bug,normal,libraries/base
7866,floor (0/0) :: Int is different with -O0 and -O1,new,,bug,normal,Compiler
7870,"Compilatio​n errors break the complexity encapsulat​ion on DSLs, impairs success in industry",new,,feature request,normal,Compiler (Type checker)
7876,hClose002 for ghci hangs on Mac OS X,new,,bug,normal,Compiler
7877,hSetBuffering002(ghci) and hSetBuffering004(ghci) fail on OS X,new,,bug,normal,GHCi
7883,enable GHC LLVM backend to use LLVM provided CAS / Atomicity primitives?,new,carter,feature request,normal,Compiler
7884,Cannot build hedgewars with new haskell 7.6,new,,bug,normal,Compiler
7895,Warning for literal overflow,new,,feature request,normal,Compiler
7901,Bad error message when using UnicodeSyntax ∀ without ExplicitForall,new,,bug,normal,Compiler
7912,Missing symbols from termios.h when linking on Android,new,,bug,normal,libraries/unix
7917,update documentation of InstalledPackageInfo,new,,task,normal,Documentation
7925,ghc 7.4.2 builds with errors on Red Had Enterprise Linux 6,new,,bug,normal,Compiler
7928,GHC fails to terminate while compiling with optimization level 2,new,,bug,normal,Compiler
7934,"usleep hangs, no threads",new,,bug,normal,Runtime System
7935,Syntactic sugar for comonads,new,,feature request,normal,Compiler
7936,newStdGen leaks memory when result is not used,new,,bug,normal,libraries/random
7938,Unbound kind variable can appear in RHS of associated type,new,goldfire,bug,normal,Compiler
7942,aarch64 support in ghc,new,,feature request,normal,Compiler
7944,GHC goes into an apparently infinite loop at -O2,new,,bug,normal,Compiler
7947,"Name conflict with DerivingDataTypeable, StandaloneDeriving and qualified imports",new,,bug,normal,Compiler
7949,Haskell Platform doesn't build on Fedora 17,new,,bug,normal,Compiler
7955,CApiFFI doesn't produce wrappers for #defined values in GHCi,new,,bug,normal,GHCi
7956,ghci segfaults with -vN command-line options,new,,bug,normal,Compiler
7958,'Cannot continue after interface file error' during compilation,new,,bug,normal,Compiler
7962,"""ghc -e <invalid expression>"" should return non-zero exit status",new,,feature request,normal,GHCi
7966,'make distclean' does not work in nofib,new,,bug,normal,NoFib benchmark suite
7968,fft2 benchmark sometimes fails (nofib),new,,bug,normal,NoFib benchmark suite
7971,doesDirectoryExist description differs from its behavior,new,,bug,normal,libraries/directory
7978,Profiling broken,new,,bug,normal,Compiler
7979,./configure script does not properly detect missing header files,new,,bug,normal,Build System
7980,runghc dies silently when given large numbers of arguments. Compiled code does not.,new,,bug,normal,Compiler
7982,ASSERT failed: TcCanonical:520 for kind-checking unsaturated type families,new,,bug,normal,Compiler
7983,Bug in hsc2hs --cross-safe,new,,bug,normal,hsc2hs
7984,hsc2hs --cross-compile does not handle negative #enum,new,,bug,normal,hsc2hs
7985,Allow openFile on unknown file type,new,,bug,normal,libraries/base
7986,make newBroadcastTChanIO match newBroadcastTChan,new,,bug,normal,Compiler
7987,GHC Build Error,new,,bug,normal,Compiler
7990,ghc-pkg warning shows the wrong command,new,,bug,normal,Package system
7991,stm: add mkWeakTVar,new,,feature request,normal,libraries (other)
7993,ghc 7.6 (not 7.4) sometimes hangs at child process exit on s390x,new,,bug,normal,Runtime System
7995,"module Pretty's ""text/str"" rule doesn't fire",new,,bug,normal,Compiler
7854,Constrained method type accepted in Haskell 98 mode,new,,bug,normal,Compiler
7855,Use optimizer for more information about incomplete pattern matches,new,,feature request,normal,Compiler (Type checker)
7860,Add more bit fiddling functions to 'integer-gmp',new,,feature request,normal,libraries (other)
7862,"Could not deduce (A) from the context (A, ...)",new,,bug,normal,Compiler (Type checker)
7863,Verbosity level for quieter Template Haskell,new,,feature request,normal,Template Haskell
7867,Allow template-haskell to communicate with itself between compilation units through the interface file,new,,feature request,normal,Template Haskell
7874,segfault 11 on mac os x when building compiler for ghc 7.7.20130430,new,,bug,normal,Compiler
7880,"Require ""forall"" in definitions of polymorphic types",new,,bug,normal,Compiler
7881,Warning for pointless ranges like [5..2],new,,feature request,normal,Compiler
7897,"MakeTypeRep fingerprints be proper, robust fingerprints",new,,bug,normal,Compiler
7898,SpecConstr explodes when compiling module BSP of frag-1.1.2,new,,bug,normal,Compiler
7908,InstanceSigs suggestion not accepted,new,,bug,normal,Compiler
7913,Argument order not preserved by nubBy,new,,bug,normal,Prelude
7930,Nested STM Invariants are lost,new,fryguybob,bug,normal,Runtime System
7940,Building GHC 7.7.20130526 (perf) for Windows x86_64 fails with Cmm lint error,new,,bug,normal,Compiler
7952,Can cost-centre annotations be included in -ddump-simpl?,new,,feature request,normal,Compiler
7957,-ddump-minimal-imports should honour -outputdir,new,,feature request,normal,Compiler
7960,Compiling profiling CCS registration .c file takes far too long,new,,bug,normal,Compiler
7961,Remove restrictions on promoting GADT's,new,,feature request,normal,Compiler
7976,Failure building master (perf) on i686-pc-linux-gnu,new,,bug,normal,Compiler
7977,Optimization: Shift dropped list heads by coeffecient to prevent thunk generation,new,,feature request,normal,Compiler
7988,Big integers crashing integer-simple on qnxnto-arm,new,,bug,normal,Compiler
7994,Make foldl into a good consumer,new,,bug,normal,Compiler